feat: restore TokenPerformanceCard

frontend/src/views/cockpit/CockpitView.tsx

@@ -15,6 +15,7 @@ import { cn } from "@/lib/utils"
 import { CockpitTile } from "./CockpitTile"
 import { SystemStatusCard } from "@/components/dashboard/SystemStatusCard"
 import { LatencyCard } from "@/components/dashboard/LatencyCard"
+import { TokenPerformanceCard } from "@/components/dashboard/TokenPerformanceCard"
 
 // Öffnet die bestehende System-Schublade (Pflege/Logs) via globalem Event.
 const openDrawer = (tab: "maintenance" | "logs") =>
@@ -118,6 +119,9 @@ export function CockpitView({ onNavigate }: { onNavigate: (v: string) => void })
             <div className="mt-4">
               <LatencyCard />
             </div>
+            <div className="mt-4">
+              <TokenPerformanceCard />
+            </div>
           </section>
 
           {/* Bereichs-Kacheln (6 statt 7 - Logs ist in die Werkzeug-Liste gewandert) */}